code: def __init__(self, backbone):
      super().__init__()
      self.backbone = backbone
      self.projection_head = BarlowTwinsProjectionHead(512, 2048, 2048)
  
file_path: lightly/examples/pytorch/barlowtwins.py
imports: import torch
  import torchvision
  from torch import nn
  from lightly.loss import BarlowTwinsLoss
  from lightly.models.modules import BarlowTwinsProjectionHead
  from lightly.transforms.byol_transform import BYOLTransform, BYOLView1Transform, BYOLView2Transform
label_desc: Use image node_id 1 to create a new BarlowTwins object from inherited base classes: nn with example: obj = BarlowTwins(backbone)